114 entries under foolish topic. ×

5
dull(adjective, simple, silly, stupid)
5
feeble-minded(adjective, stupid)
5
half-witted(adjective, weak, simple, silly)
5
obtuse(adjective, silly, stupid, vulgar)
4
thoughtless(adjective, silly, stupid, vulgar)
3
blockheaded
3
crackpot
3
cretinous(adjective, senseless)
3
dopey
3
half-baked(weak, simple, careless, silly)
3
ignorant(adjective, simple, silly, stupid)
3
unintelligent(adjective, weak, simple, silly)
3
unmindful(adjective, silly, senseless, unnecessary)
3
unsound(adjective, simple, silly, stupid)
3
zany(adjective, weak, simple, silly)
2
cockamamy(silly, thoughtless, unwise, unintelligent)
2
dense(adjective, dull, simple, silly)
2
flaky(adjective, simple, silly, stupid)
2
foolhardy(adjective, crazy, insane)
2
forgetful(adjective, silly, senseless, unnecessary)
11 years ago|18k views|share |citing 
APASmart Define. (2015). asinine thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/asinine/thesaurus/synonyms
ChicagoSmart Define. 2015. "asinine thesaurus" https://smartdefine.org/asinine/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, asinine thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/asinine/thesaurus/synonyms>.
MLASmart Define. "asinine thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/asinine/thesaurus/synonyms>